Slotting machine



I 5 OP Y L W mm M L WM WWW Oct. 16 1923.

A. O. GARRETT ET AL SLOTTING MACHINE Filed Dec. 17

l atented Oct. 16, 1923.

UNITED" ST ES PATENT oFricE.; f

ARTHUR 0. GARRETT, or sen DIEGO, Ann CHRISTOPHER E. 'FUNNELL Ann WILLIAM L. HOFFMAN, or LOS AN'GELES, CALIFORNIA.

SLOT'IING MACHINE.

Application filed December 17, lead Serial no. 431,432.

T all whom it may concern:

Be it known that we, Anriron O. GARRETT, CHRISTOPHER FUNNELL, and TILLTAM L. HOFFMAN, citizens of theUnited States, residing at San Diego and Los Angeles, in

: the counties 'of San Diego and Los Angeles' and State of California, respectively, have invented a certain new and useifiilSlotting Machine, of which the following is a speci-] fication.

Our invention relates to a machine for providing a series of parallel slots in surfaceand it is more particularly adapted for use i connection with the slots in hard rubber battery plate retainers as set forth ina companion application filed by Arthur 0. Garrett, Christopher E. Funnell and William L. Hoffman for storage battery plates, filed December 17 1920, Serial N0..431,431, and the objects of our invention are: first, to provide a novel machine for providing a serie of parallel slots in any fiat surface; second,to provide a machine of this class in which a plurality of 2 .circular saws are positioned in certain relative position to each other in connection with a supporting means forsawing a plurality of slots at a time in any flat surfaced object; third, to provide novelmeans for supporting said saws in their certain .rela tion to each other; fourth, to provide means for supporting said saws in connection with the supporting means and adjustablerelatively thereto, o that different depth slots may b cut; fifth, to provide a new and novel gang saw mandrel and sixth, to provide a machine of this class which is very simple and economicalof construction, durable, easy to operate,v adjustable throughout and which will not readily deteriorate or Y get out of order. With these andother objects in viewas will appear hereinafter our invention consist of certain novel features ofconstruction, combination and arrangement of parts and portions as will be hereinafterdescribed in detailand particularly set forth in the appended claims, reference being bad to the accompanying drawings and to the characters of reference thereon which form a part of this application in which:

Figure 1 is a top or. plan view of our machine; F ig. 2 is a side elevational view thereof showing the supports fragmen cipal parts 7 tarily; Fig; 3 is an enlarged detailedlsectional view through 31-3 ofjFig. 2;

Similar characters of reference refer to similar; parts and portions throughout the several views of the drawings" v.The table member 1, guide 2, supporting bracket 3, braces 1, supports 5, bearing,

member 6,- caps 7, shaft 8, saws blades"c9, separating washers 10, washer ll lock nut 1'12, collar 13, washer ll, block: 115, adjusting screw 16 and sheave 17 constitute theprin and portions of: our slotting machine; Y I The table 1 is preferably rectangularly shaped and is provided across thesamewith a guide member 2 over the upper surface and extending from this guide member part way across the middle thereofis a slot 1 whiclris of suflicient width to permit the table for sawing any object on the table. This table may be supportedby anymeans desired. with means 1 for bracing the same VSe-' supporting members 5 secured at opposite ends of the table by means of bolts 5% and these supports 5 are secured to the support 3 by means of'bolts 5? at their-upper ends,

theirv lower ends being supported by means of bracese which are secured by means of We have shown leg members 1 edges of the saw to protrude through said bolts 4? and by means of screws 43 screwed into the edge of the table at fthe upper ends of said braces 4. These supports 3 are each provided with elongated .holes ,3 adapted for the bolts 6 and to permit longitudinal movement on saidsupportfi by means of said elongated holes. Thcse bolts- 6 suppo t journals consisting of th members6 cap 7 which form journals-for the main shaft 8. Also .mounted on these supports 3 in spaced relation from the bearing mem her 6 is a block member 15 secured thereto by means of bolts 15 threaded hole adapted for the vadjusting screw 16 which is provided'with a hexagon portion 16 adapted to facilitate the turna and v I p This block member 1 15 is providedin its upper side with a 2 V r A 1,47 ,721

bearing member 6, thus providing means of adjusting the position of the bearing 16 relatively to the supports 3, after which A plurality" of these sawsare placed in spaced relation-on this shaft 10 with one resting against the enlarged portioirS and they are held in certain spaced relation to each other by'm'eans of washers 10. It will I be here notedthat these washers 10 may be of different thickness to provide for different'width spacing for the saws" 8 is threaded at 8 adapted for the nut 12 and between the nut 12 and the saw is pro videda washer 11 which isa'dapted to rest againsttheside-of Omar the saw thus providing means for clamping'the saws in cer-[ tain spaced vrelation to eachother, asshown best in Fig. 3 of the drawings. liiounted on this shaft near the bearing at theopposite end is 'a collar 13 and held on said shaft by means of a set screw 13" and be-' tween this collar13 and the bearing is a washer lt. It will be noted that between the enlarged portion 8 and the other bean ing at the opposite end is another washer 14, thus providing thrust means for pre venting the shifting of the shaft in the bearings.- This shaft is provided with a sheave 17 upon which may. be mounted a belt which extends to any. driving mecha nism.

Though we have shown and described a particular construction, combination and arrangement of parts and portions we do not wish tobe limited to this particular c0nstruotion, combination and arrangement but desire to include in the purview of our invention the construction, combination and arrangement substantially as set forth in the appended claims.

It is obvious that with this construction, thereis providedameans for slotting articles by the use of which a series of parallel slots may be readily provided in any flat surfaced object; that the depths of vthe saw cuts may be regulatedto form grooves orslots as desired; that they may be spaced as desirech that there is provided means for supporting the sawsfin certain spaced rela tion to each other and clamped so that they will 'notloosen; that there isprovided means It will be noted that there v are provided bearings 6, set screws16 and The shaft this 30th day of November, 1920.

for supporting the object to be sawed and means for guiding said object on saidsupport;

We claim as new and desire to securelby Letters Patent is:- 1 V 1. A slotting machine, including a table member provided with a slot in the midnals, a gang saw secured to said shaft positioned so that its edge extends through the slot in-said table. v

2. A slotting machinefincluding a table member provided with a slot in the middle thereof, supporting members positioned on. an angle at opposite ends of said table, Journals ad]ustably' mounted on said sup-I ports, ashaft mounted on said journals,oa gang saw secured'to said shaft positioned so that its edge extends through the slot in said table comprising an enlarged portion on said shaft, a plurality of circular saws positioned .in'spac-e'd relation on said shaft, separator: washers for holding said circular saws in. certain spaced relation to each other and means for clamping said saws and separating washers together.

3. A slotting machine, including a table member provided with a slot in the middle thereof, supporting members positioned on an angle at opposite ends of said table, journals adjustably mounted on said supports, a shaft mounted on said journals, a gang saw secured to said shaft positioned so that its Having thus described our invention what I shaft, a plurality of circular saws positioned in spaced relation on said shaft, separator washers for holding said 'circular'saws in certain spaced relation to each other, means for clamping said saws and separating Washers together and means foiirevolving said shaft a 7 I i 4. A device of the cl'assdescribed, including a table member provided with a slot therethrough, gang saws positioned so that their edges protrude through said slot and 'means for adjusting the position of said gang saws relatively to said table.

In testimony whereof, we have'h'ereunto set our hands at Los Angeles, California,

f ARTHUR'O. GARRETT; V- onnrsronnnn' n. FUNNELL.

' k TWILLIAM n;noisriuan. f 

